293 lines
8.8 KiB
Swift
293 lines
8.8 KiB
Swift
//
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// FeedWranglerAPICaller.swift
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// Account
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//
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// Created by Jonathan Bennett on 2019-08-29.
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// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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import Foundation
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import SyncDatabase
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import RSWeb
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import Secrets
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enum FeedWranglerError : Error {
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case general(message: String)
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}
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final class FeedWranglerAPICaller: NSObject {
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private var transport: Transport!
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var credentials: Credentials?
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weak var accountMetadata: AccountMetadata?
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init(transport: Transport) {
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super.init()
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self.transport = transport
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}
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func cancelAll() {
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transport.cancelAll()
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}
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func logout(completion: @escaping (Result<Void, Error>) -> Void) {
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let url = FeedWranglerConfig.clientURL.appendingPathComponent("users/logout")
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let request = URLRequest(url: url, credentials: credentials)
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transport.send(request: request) { result in
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switch result {
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case .success:
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completion(.success(()))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func validateCredentials(completion: @escaping (Result<Credentials?, Error>) -> Void) {
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let url = FeedWranglerConfig.clientURL.appendingPathComponent("users/authorize")
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let username = self.credentials?.username ?? ""
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standardSend(url: url, resultType: FeedWranglerAuthorizationResult.self) { result in
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switch result {
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case .success(let (_, results)):
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if let accessToken = results?.accessToken {
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let authCredentials = Credentials(type: .feedWranglerToken, username: username, secret: accessToken)
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completion(.success(authCredentials))
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} else {
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completion(.success(nil))
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}
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func retrieveSubscriptions(completion: @escaping (Result<[FeedWranglerSubscription], Error>) -> Void) {
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let url = FeedWranglerConfig.clientURL.appendingPathComponent("subscriptions/list")
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standardSend(url: url, resultType: FeedWranglerSubscriptionsRequest.self) { result in
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switch result {
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case .success(let (_, results)):
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completion(.success(results?.feeds ?? []))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func addSubscription(url: String, completion: @escaping (Result<FeedWranglerSubscription, Error>) -> Void) {
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let url = FeedWranglerConfig
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.clientURL
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.appendingPathComponent("subscriptions/add_feed_and_wait")
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.appendingQueryItems([
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URLQueryItem(name: "feed_url", value: url),
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URLQueryItem(name: "choose_first", value: "true")
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])
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standardSend(url: url, resultType: FeedWranglerSubscriptionResult.self) { result in
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switch result {
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case .success(let (_, results)):
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if let results = results {
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if let error = results.error {
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completion(.failure(FeedWranglerError.general(message: error)))
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} else {
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completion(.success(results.feed))
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}
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} else {
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completion(.failure(FeedWranglerError.general(message: "No feed found")))
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}
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func renameSubscription(feedID: String, newName: String, completion: @escaping (Result<Void, Error>) -> Void) {
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let url = FeedWranglerConfig.clientURL
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.appendingPathComponent("subscriptions/rename_feed")
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.appendingQueryItems([
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URLQueryItem(name: "feed_id", value: feedID),
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URLQueryItem(name: "feed_name", value: newName),
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])
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standardSend(url: url, resultType: FeedWranglerSubscriptionsRequest.self) { result in
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switch result {
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case .success:
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completion(.success(()))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func removeSubscription(feedID: String, completion: @escaping (Result<Void, Error>) -> Void) {
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let url = FeedWranglerConfig.clientURL
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.appendingPathComponent("subscriptions/remove_feed")
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.appendingQueryItem(URLQueryItem(name: "feed_id", value: feedID))
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standardSend(url: url, resultType: FeedWranglerGenericResult.self) { result in
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switch result {
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case .success:
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completion(.success(()))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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// MARK: FeedItems
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func retrieveEntries(articleIDs: [String], completion: @escaping (Result<[FeedWranglerFeedItem], Error>) -> Void) {
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let IDs = articleIDs.joined(separator: ",")
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let url = FeedWranglerConfig.clientURL
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.appendingPathComponent("feed_items/get")
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.appendingQueryItem(URLQueryItem(name: "feed_item_ids", value: IDs))
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standardSend(url: url, resultType: FeedWranglerFeedItemsRequest.self) { result in
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switch result {
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case .success(let (_, results)):
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completion(.success(results?.feedItems ?? []))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func retrieveFeedItems(page: Int = 0, feed: WebFeed? = nil, completion: @escaping (Result<[FeedWranglerFeedItem], Error>) -> Void) {
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let queryItems = [
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URLQueryItem(name: "read", value: "false"),
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URLQueryItem(name: "offset", value: String(page * FeedWranglerConfig.pageSize)),
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feed.map { URLQueryItem(name: "feed_id", value: $0.webFeedID) }
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].compactMap { $0 }
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let url = FeedWranglerConfig.clientURL
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.appendingPathComponent("feed_items/list")
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.appendingQueryItems(queryItems)
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standardSend(url: url, resultType: FeedWranglerFeedItemsRequest.self) { result in
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switch result {
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case .success(let (_, results)):
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completion(.success(results?.feedItems ?? []))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func retrieveUnreadFeedItems(page: Int = 0, completion: @escaping (Result<[FeedWranglerFeedItem], Error>) -> Void) {
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let url = FeedWranglerConfig.clientURL
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.appendingPathComponent("feed_items/list")
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.appendingQueryItems([
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URLQueryItem(name: "read", value: "false"),
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URLQueryItem(name: "offset", value: String(page * FeedWranglerConfig.pageSize)),
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])
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standardSend(url: url, resultType: FeedWranglerFeedItemsRequest.self) { result in
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switch result {
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case .success(let (_, results)):
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completion(.success(results?.feedItems ?? []))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func retrieveAllUnreadFeedItems(foundItems: [FeedWranglerFeedItem] = [], page: Int = 0, completion: @escaping (Result<[FeedWranglerFeedItem], Error>) -> Void) {
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retrieveUnreadFeedItems(page: page) { result in
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switch result {
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case .success(let newItems):
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if newItems.count > 0 {
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self.retrieveAllUnreadFeedItems(foundItems: foundItems + newItems, page: (page + 1), completion: completion)
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} else {
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completion(.success(foundItems + newItems))
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}
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func retrieveStarredFeedItems(page: Int = 0, completion: @escaping (Result<[FeedWranglerFeedItem], Error>) -> Void) {
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let url = FeedWranglerConfig.clientURL
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.appendingPathComponent("feed_items/list")
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.appendingQueryItems([
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URLQueryItem(name: "starred", value: "true"),
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URLQueryItem(name: "offset", value: String(page * FeedWranglerConfig.pageSize)),
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])
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standardSend(url: url, resultType: FeedWranglerFeedItemsRequest.self) { result in
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switch result {
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case .success(let (_, results)):
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completion(.success(results?.feedItems ?? []))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func retrieveAllStarredFeedItems(foundItems: [FeedWranglerFeedItem] = [], page: Int = 0, completion: @escaping (Result<[FeedWranglerFeedItem], Error>) -> Void) {
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retrieveStarredFeedItems(page: page) { result in
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switch result {
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case .success(let newItems):
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if newItems.count > 0 {
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self.retrieveAllStarredFeedItems(foundItems: foundItems + newItems, page: (page + 1), completion: completion)
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} else {
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completion(.success(foundItems + newItems))
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}
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func updateArticleStatus(_ articleID: String, _ statuses: [SyncStatus], completion: @escaping () -> Void) {
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var queryItems = statuses.compactMap { status -> URLQueryItem? in
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switch status.key {
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case .read:
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return URLQueryItem(name: "read", value: status.flag.description)
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case .starred:
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return URLQueryItem(name: "starred", value: status.flag.description)
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case .deleted:
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return nil
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case .new:
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return nil
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}
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}
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queryItems.append(URLQueryItem(name: "feed_item_id", value: articleID))
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let url = FeedWranglerConfig.clientURL
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.appendingPathComponent("feed_items/update")
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.appendingQueryItems(queryItems)
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standardSend(url: url, resultType: FeedWranglerGenericResult.self) { result in
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completion()
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}
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}
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private func standardSend<R: Decodable>(url: URL?, resultType: R.Type, completion: @escaping (Result<(HTTPURLResponse, R?), Error>) -> Void) {
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guard let callURL = url else {
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completion(.failure(TransportError.noURL))
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return
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}
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let request = URLRequest(url: callURL, credentials: credentials)
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transport.send(request: request, resultType: resultType, completion: completion)
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}
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}
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